31395680

素因数分解:

$2^5\times 5^1\times {\mathrm{317}}^1\times {\mathrm{619}}^1$

素因数の和:951

約数の個数: 48

約数和(自身を含む): 74526480

約数和(自身を除く): 43130800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 317, 619, 634, 1238, 1268, 1585, 2476, 2536, 3095, 3170, 4952, 5072, 6190, 6340, 9904, 10144, 12380, 12680, 19808, 24760, 25360, 49520, 50720, 99040, 196223, 392446, 784892, 981115, 1569784, 1962230, 3139568, 3924460, 6279136, 7848920, 15697840, 31395680]

約数ペア:

[(1, 31395680), (2, 15697840), (4, 7848920), (5, 6279136), (8, 3924460), (10, 3139568), (16, 1962230), (20, 1569784), (32, 981115), (40, 784892), (80, 392446), (160, 196223), (317, 99040), (619, 50720), (634, 49520), (1238, 25360), (1268, 24760), (1585, 19808), (2476, 12680), (2536, 12380), (3095, 10144), (3170, 9904), (4952, 6340), (5072, 6190)]